The Qur'anic Root “SH D D”
Gaining force, becoming firm, making firm, removing looseness, and an effect reaching a high degree
1. Introduction to the Root
The root “SH D D” in Arabic points to gaining force, becoming firm, making firm, removing looseness, and a state or effect reaching a high degree. Among its clear material uses are tightening a knot, pulling a rope, firmly fastening a load, and strengthening something that might become loose or scattered.
Pre-Islamic Arabic used this root in material life, war, hardship, force, and holding wealth tightly. Expressions such as “شَدَّ العُقْدَةَ” for tightening a knot, “شَدَّ الرَّحْلَ” for firmly fastening the saddle or travel load, “شَدَّ القَوْسَ” for drawing the bow, and “شَدَّ عَلَى العَدُوِّ” for charging against an enemy were known in older Arabic.
In a line about one of the Fijar battles, attributed to Khidash ibn Zuhayr al-'Amiri, we read:
يَا شَدَّةً مَا شَدَدْنَا غَيْرَ كَاذِبَةٍ
عَلَى سَخِينَةَ لَوْلَا اللَّيْلُ وَالْحَرَمُ
Here, “شَدَدْنَا عَلَى” means attacking with concentrated and intense force. “شَدَّة” also expresses the force of the assault and the hardness of the confrontation.
Tarafah ibn al-'Abd, the pre-Islamic poet, also says in his Mu'allaqah:
أَرَى الْمَوْتَ يَعْتَامُ الْكِرَامَ وَيَصْطَفِي
عَقِيلَةَ مَالِ الْفَاحِشِ الْمُتَشَدِّدِ
“الْمُتَشَدِّد” here is someone who holds his wealth tightly and refuses to give it. This use rests on the image of gripping, holding firmly, and not letting go.
Therefore, before the descent of the Qur'an, the semantic field of this root included the following areas:
- tight binding and making firm;
- pulling and placing under pressure;
- strength and resistance;
- powerful attack and assault;
- hardship and difficulty;
- the intensifying of a state;
- holding firmly and not releasing.
The Qur'an uses these known capacities to describe the structure of the body, the firmness of rule, human support, fastening bonds, power, war, love, fear, qaswah, punishment, reckoning, and stages of human growth.
2. Forms Examined
Reference Cards for Qur'anic Derivatives
To make firm, make stable, strengthen, or remove looseness from a bond or structure.
To intensify and for a force or state to reach a higher degree.
Strong, firm, difficult, or forceful; the meaning is determined by the object and context.
Directed firmness and hardness toward a specific group, not absolute violence.
Comparative form: more intense, stronger, or greater in the field specified by the context.
The stage of maturity and firmness of human powers, distinct from أَشَدّ meaning “more intense.”
The main forms of this family that matter for recognizing Qur'anic usage are:
- “شَدَّ يَشُدُّ”: he made firm, bound, pulled, or made stable;
- “شَدِيد”: strong, firm, difficult, or intense;
- “شِدَاد”: plural or collective form of شديد;
- “أَشِدَّاء”: plural of شديد in description of persons;
- “أَشَدّ”: more intense, stronger, or greater;
- “أَشُدّ”: the stage of maturity and firmness of human powers;
- “اشْتَدَّ”: it intensified or reached greater force.
Forms such as “شِدَّة”, “مُشَدَّد”, and “مُتَشَدِّد” also belong to this Arabic family, but the singular form “شِدَّة” and some of these derivatives do not occur in the Qur'an.
3. Morphological Structure of the Root
“SH D D” is a doubled root; that is, its second and third root letters are the same. Its past-tense verb is “شَدَّ” and its present-tense verb is “يَشُدُّ”. The two d letters are assimilated in some forms and appear as a doubled d.
For example:
- “شَدَّ”: he made firm;
- “يَشُدُّ”: he makes firm;
- “اشْدُدْ”: make firm;
- “شَدَدْنَا”: We made firm or made stable.
In “شَدَدْنَا”, the assimilation opens up because the attached pronoun ending causes both d letters to appear separately.
4. Material Meaning and Basic Image
One of the clearest material images of this root is a knot or bond that has been pulled tight and made firm. A loose knot may come undone, a loosely fastened load may fall, and a free rope does not transmit concentrated force; but when the bond is pulled and the knot is tightened, the parts remain connected and the whole resists separation and pressure.
Several elements appear in this image:
1. something that can become loose, disconnected, or scattered;
2. the act of binding, pulling, or strengthening;
3. reduction of looseness and free movement;
4. the emergence of firmness, resistance, or pressure.
This image is useful for understanding some branches of the root, but it should not be imposed as the final definition of every derivative. In extended uses, intensity may be used for matters such as heat, love, fear, hostility, reckoning, or punishment. These matters are not knots and ropes, but the degree of force or effect within them has increased.
5. Semantic Core
The semantic core of “SH D D” can be stated as follows:
coming out of looseness and reaching firmness, concentrated force, or a high degree of pressure and effect.
This meaning sometimes appears in an action, such as fastening a bond firmly; sometimes in a structure, such as a firm support; sometimes in an event, such as a severe blowing of wind; and sometimes in a non-material state, such as love or fear that has gained great force.
For this reason, the root “SH D D” does not carry a negative moral charge in itself. The value and direction of the meaning are determined by the object, relation, and context. Love may be intense, just as punishment or hostility may be intense.
6. Lexical Branches of the Root
6.1. Tight Binding
“شَدَّ الحَبْلَ” means he pulled and tightened the rope, and “شَدَّ العُقْدَةَ” means he firmly tied the knot. This branch is one of the most tangible uses of the root.
6.2. Making Firm and Strong
The verb “شَدَّ” can indicate adding firmness and power, whether its object is the body, rule, support, or the ability to act.
6.3. Force and Resistance
“شَدِيد” is used for something that has abundant force, a firm structure, or high resistance, such as a support, guarding, or military force.
6.4. Increasing the Degree of a State
When heat, fear, love, hostility, punishment, or an event goes beyond the usual measure, this root can express its high degree.
6.5. Attack and Pressure
“شَدَّ عَلَيْهِ” in the language of war means to attack someone with force. In this usage, scattered force becomes a concentrated and directed movement.
6.6. Hardship and Constraint
“شِدَّة” is used for a condition that places a person under pressure and is not easy to pass through. A year of famine, distress, or a difficult stage may be described through this root.
6.7. The Completion of Human Powers
The form “أَشُدّ” points to a stage of growth in which human powers have gathered and reached firmness.
7. The Verb “شَدَّ” in the Qur'an
7.1. Strengthening Support
Moses says:
اشْدُدْ بِهِ أَزْرِي
“أَزْر” points to the back, strength, and support. Moses asks that through his brother, his backing and strength be made firm. “شَدَّ” here does not mean harshness; it indicates strengthening and removing weakness.
7.2. Making the Arm Firm
In response to Moses' request, it is said:
سَنَشُدُّ عَضُدَكَ بِأَخِيكَ
“عَضُد” is the arm, and in this structure it also evokes practical power and support. The brother is introduced as the factor of strengthening.
The two phrases “اشْدُدْ بِهِ أَزْرِي” and “سَنَشُدُّ عَضُدَكَ بِأَخِيكَ” clarify one another. In the first, Moses asks for the strengthening of his support; in the second, the firmness of his arm is promised. In both, another human being can be the means through which cohesion, support, and capacity for action increase.
7.3. Making Rule Firm
About David it is said:
وَشَدَدْنَا مُلْكَهُ
Rule in this phrase is imagined like a structure that may be weak or firm. “شَدَدْنَا” means We strengthened and established his kingdom. The details of this firmness do not come from the root itself and must be understood from the wider context.
7.4. Making the Structure of the Body Firm
About the creation of the human being it is said:
نَحْنُ خَلَقْنَاهُمْ وَشَدَدْنَا أَسْرَهُمْ
“أَسْر” in this context relates to the structure and joining of the human parts. The phrase speaks of the firmness of the body's composition and the strength of the connection among its members. “شَدَدْنَا” adds the element of cohesion and resistance to this structure.
7.5. Tightening the Bond
In the context of battle, it is said:
فَشُدُّوا الْوَثَاقَ
“وَثَاق” is a bond and instrument of binding. This use is close to the material meaning of the root: make the bond firm. “شَدّ” itself does not create the act of binding from nothing; it stresses that the binding is firm and stable.
7.6. Making Hearts Hard and Closed
In Moses' prayer it is said:
وَاشْدُدْ عَلَىٰ قُلُوبِهِمْ
The preposition “عَلَىٰ” gives direction to the verb and brings forward the meaning of pressure, severity, or making the hearts firm in a closed condition. This use is not the same as “اشْدُدْ بِهِ أَزْرِي”, because the preposition and context create a different relation.
8. The Verb “اشْتَدَّ”
The ifti'al form of this root appears in the Qur'an in the description of wind:
كَرَمَادٍ اشْتَدَّتْ بِهِ الرِّيحُ فِي يَوْمٍ عَاصِفٍ
“اشْتَدَّتْ بِهِ الرِّيحُ” means the wind blew against the ash with great force and scattered it. The verb “اشْتَدَّ” expresses a force or state entering a higher degree.
The general difference between the two structures can be recognized as follows:
- “شَدَّ” usually reports a subject that makes something firm or strong;
- “اشْتَدَّ” reports something that itself has entered a more intense and powerful state.
This is a tendency, and the final meaning of each verb is determined by context.
9. The Meaning of “شَدِيد” and “شِدَاد”
“شَدِيد” is used in the Qur'an for different subjects, and its translation must be determined by its object and context.
9.1. A Firm Support
أَوْ آوِي إِلَىٰ رُكْنٍ شَدِيدٍ
“رُكْنٍ شَدِيدٍ” is a firm and powerful support; a support that does not collapse under pressure.
9.2. Military Force
أُولِي بَأْسٍ شَدِيدٍ
“بَأْس” is the force of confrontation and war, and “شَدِيد” expresses its high degree.
About iron, it is also said:
فِيهِ بَأْسٌ شَدِيدٌ وَمَنَافِعُ لِلنَّاسِ
Here “شَدِيد” relates to the abundant force and effective capacity of iron, not to qaswah or moral violence.
9.3. A Tremendous Event
وَزُلْزِلُوا زِلْزَالًا شَدِيدًا
“شَدِيد” expresses the intensity of the shaking and the forceful effect of that condition.
9.4. Difficult Years
ثُمَّ يَأْتِي مِنْ بَعْدِ ذَٰلِكَ سَبْعٌ شِدَادٌ
“شِدَاد” here are years in which famine and constraint produce great pressure. The years are not physically hard; the condition of life in them is difficult.
9.5. Firm Structures
وَبَنَيْنَا فَوْقَكُمْ سَبْعًا شِدَادًا
In this context, “شِدَاد” expresses structural firmness and strength. A single morphological form, according to the described noun and context, may be translated as “difficult” or “firm.”
9.6. Powerful Guarding
فَوَجَدْنَاهَا مُلِئَتْ حَرَسًا شَدِيدًا وَشُهُبًا
“حَرَسًا شَدِيدًا” is powerful and impassable guarding. Intensity here belongs to the strength and effectiveness of the guarding.
9.7. One Possessing Firm Powers
عَلَّمَهُ شَدِيدُ الْقُوَىٰ
“شَدِيدُ الْقُوَىٰ” is one who possesses firm and powerful forces. The pairing of “شَدِيد” and “الْقُوَىٰ” shows that the two words are not complete synonyms: “قُوَىٰ” names the powers themselves, while “شَدِيد” describes their degree and firmness.
9.8. Reckoning and Punishment
Combinations such as “عَذَابٌ شَدِيدٌ”, “الْعَذَابُ الشَّدِيدُ”, and “حِسَابًا شَدِيدًا” are prominent uses of this root.
In these structures, “شَدِيد” may convey heaviness, difficulty, force of effect, and the hardness of escaping punishment or reckoning. The root itself does not determine the quality and details of the punishment; it only describes its intensity.
9.9. Intense Love of Wealth
وَإِنَّهُ لِحُبِّ الْخَيْرِ لَشَدِيدٌ
“الْخَيْر” in this context points to wealth. “شَدِيد” can express the intensity of a person's attachment and love for wealth. The old usage of “الشديد” and “المتشدد” for someone who holds wealth tightly may also clarify part of the linguistic capacity of this phrase.
Therefore, the phrase does not speak only of “loving very much”; the firmness of attachment and the difficulty of letting go of wealth may also be present within its semantic field. Even so, the meaning “miserly” should not be made a direct replacement for “شَدِيد” in every use without attention to context.
10. “أَشِدَّاءُ عَلَى”
About the Prophet and those with him, it is said:
مُحَمَّدٌ رَسُولُ اللَّهِ وَالَّذِينَ مَعَهُ أَشِدَّاءُ عَلَى الْكُفَّارِ رُحَمَاءُ بَيْنَهُمْ
“أَشِدَّاء” is the plural of “شَدِيد”, but its complete meaning becomes clear through the relations “عَلَى الْكُفَّارِ” and “بَيْنَهُمْ”.
The verse does not say that they are sharp or harsh in every relationship. Their intensity has a specific direction and is stated in relation to those who cover truth. The relationship among themselves is described by “رُحَمَاءُ بَيْنَهُمْ”.
This contrast shows that a person can be firm and uncompromising in one relation and merciful in another. Therefore, “أَشِدَّاء” in this verse is not an absolute description of their personality; it expresses their directed firmness in a specific relationship. Its meaning should not be reduced to cruelty or unrestricted violence.
11. The Meaning of “أَشَدّ”
“أَشَدّ” is usually a comparative form and indicates a greater degree of intensity, strength, difficulty, or effect. The field of this increase is specified by the accompanying word or comparative construction.
11.1. Greater Strength
كَانُوا أَشَدَّ مِنْكُمْ قُوَّةً
“قُوَّةً” makes the field of comparison clear: they were stronger in force.
11.2. Stronger Love
وَالَّذِينَ آمَنُوا أَشَدُّ حُبًّا لِلَّهِ
“أَشَدُّ حُبًّا” speaks of a love for The God that is stronger and firmer. “أَشَدّ” here has no negative charge.
11.3. Greater Remembrance
فَاذْكُرُوا اللَّهَ كَذِكْرِكُمْ آبَاءَكُمْ أَوْ أَشَدَّ ذِكْرًا
“أَشَدَّ ذِكْرًا” expresses remembrance with greater attention, presence, and emphasis.
11.4. Greater Fear
يَخْشَوْنَ النَّاسَ كَخَشْيَةِ اللَّهِ أَوْ أَشَدَّ خَشْيَةً
“خَشْيَةً” specifies the field of intensity. The comparison concerns the measure of fear, not physical ability.
11.5. Greater Qaswah
فَهِيَ كَالْحِجَارَةِ أَوْ أَشَدُّ قَسْوَةً
“قَسْوَة” names the type of state, and “أَشَدّ” increases its degree. This pairing shows that intensity and qaswah are not synonyms.
11.6. Greater Heat
قُلْ نَارُ جَهَنَّمَ أَشَدُّ حَرًّا
“حَرًّا” determines the field of comparison: the Fire of Jahannam has more intense heat.
11.7. More Difficult Creation
أَأَنْتُمْ أَشَدُّ خَلْقًا أَمِ السَّمَاءُ
In this construction, “أَشَدُّ خَلْقًا” is a comparison about creation. According to context, “أَشَدّ” may be translated as “more difficult,” “stronger,” or “more firmly made.”
Thus “أَشَدّ” has no one fixed equivalent. The accompanying word specifies whether the increase is in love, fear, strength, qaswah, heat, hostility, punishment, or something else.
12. The Meaning of “أَشُدّ”
“أَشُدّ”, with dammah on the letter sh, differs from “أَشَدّ” meaning “more intense.” This form appears in the construction “بَلَغَ أَشُدَّهُ” and similar structures:
وَلَمَّا بَلَغَ أَشُدَّهُ آتَيْنَاهُ حُكْمًا وَعِلْمًا
وَلَمَّا بَلَغَ أَشُدَّهُ وَاسْتَوَىٰ
ثُمَّ لِتَبْلُغُوا أَشُدَّكُمْ
“Reaching أَشُدّ” means the human being reaches a stage in which bodily and practical powers have gathered and become firm. This form is not limited only to the beginning of physical puberty, and it does not set one fixed numerical age in every context.
In the verses concerning the property of the orphan, it is said:
حَتَّىٰ يَبْلُغَ أَشُدَّهُ
The context of property shows that bodily growth alone is not enough to understand the phrase; the person must reach a stage of capacity and firmness connected with managing wealth. Legal details and a specific age do not come from the word itself.
In another verse, “reaching أَشُدّ” is mentioned separately from reaching forty years:
حَتَّىٰ إِذَا بَلَغَ أَشُدَّهُ وَبَلَغَ أَرْبَعِينَ سَنَةً
The separate mention of the two shows that “أَشُدّ” should not be taken in every use as exactly equal to forty years of age.
If we use the material image of the root only as an aid, this is the stage when the growing powers of the human being come out of the dispersal and weakness of childhood and reach greater cohesion and stability. Even so, the phrase itself does not literally mean the tying together of powers; its direct meaning is the maturity and firmness of capacities.
Lexicographers have reported different views about the morphological structure of “أَشُدّ” and its singular. Some have considered it a collective form without a common singular, while others have proposed forms such as “شَدّ” or “شِدَّة” for its singular. Its Qur'anic meaning is clearer from the contexts than from determining its singular form.
13. The Difference Between “أَشَدّ” and “أَشُدّ”
In unvoweled writing these two forms look the same, but they are not identical in structure or meaning:
- “أَشَدّ”: comparative adjective; more intense, stronger, or greater;
- “أَشُدّ”: noun; the stage of maturity and firmness of human powers.
In:
وَالَّذِينَ آمَنُوا أَشَدُّ حُبًّا لِلَّهِ
“أَشَدّ” compares the degree of love.
But in:
حَتَّىٰ يَبْلُغَ أَشُدَّهُ
“أَشُدّ” names a stage of growth and does not mean “more intense.”
In unvoweled text, syntax and context are the main tools for distinguishing these two forms.
14. “شَدِيد” in Description of The God
The Qur'an uses “شَدِيد” in several combinations to describe the punishment, power, or taking of The God:
إِنَّ اللَّهَ شَدِيدُ الْعِقَابِ
وَهُوَ شَدِيدُ الْمِحَالِ
إِنَّ بَطْشَ رَبِّكَ لَشَدِيدٌ
In “شَدِيدُ الْعِقَابِ”, intensity belongs to “punishment.” The phrase speaks of punishment that is powerful and heavy.
The exact meaning of “مِحَال” must be determined in the study of its own root. In the combination “شَدِيدُ الْمِحَالِ”, the word “شَدِيد” only expresses its high degree and should not create an independent guessed meaning for “مِحَال”.
In “إِنَّ بَطْشَ رَبِّكَ لَشَدِيدٌ”, taking and the exercise of power are described as powerful and inescapable. These expressions do not determine a physical or instrument-like manner for the act of The God.
“شَدِيد” in these verses is a description dependent on its object. From these uses alone one cannot conclude that “الشديد”, without qualification, is an independent name of The God.
15. The Role of Syntax in Meaning
15.1. “شَدَّ” with a Direct Object
In structures such as “شَدَّ العُقْدَةَ”, “شَدَدْنَا مُلْكَهُ”, and “فَشُدُّوا الْوَثَاقَ”, the verb acts directly upon something and makes it firm or stable.
15.2. “شَدَّ بِـ”
In:
اشْدُدْ بِهِ أَزْرِي
the letter “باء” shows the means of strengthening: make my support firm through him.
The same relation appears in:
سَنَشُدُّ عَضُدَكَ بِأَخِيكَ
The brother is introduced as the means and factor of strengthening.
15.3. “شَدَّ عَلَى”
“شَدَّ عَلَى” can indicate applying pressure, attacking, or making something firm. The military use “شَدَّ عَلَى العَدُوِّ” means to charge upon the enemy.
In “وَاشْدُدْ عَلَىٰ قُلُوبِهِمْ” as well, the letter “عَلَىٰ” produces a relation different from “شَدَّ بِـ”.
15.4. “أَشَدّ” with a Specification
In phrases such as:
- “أَشَدُّ حُبًّا”;
- “أَشَدُّ قُوَّةً”;
- “أَشَدَّ خَشْيَةً”;
- “أَشَدُّ قَسْوَةً”;
- “أَشَدُّ حَرًّا”;
the accusative word after “أَشَدّ” specifies the field of intensity and comparison. “أَشَدّ” by itself does not say in what respect the increase exists.
15.5. Genitive Construction with “شَدِيد”
In “شَدِيدُ الْعِقَابِ”, “شَدِيدُ الْمِحَالِ”, and “شَدِيدُ الْقُوَىٰ”, the genitive complement specifies the field of intensity. Therefore, the object of “شَدِيد” must be preserved in translation.
16. The Moral Direction of the Root
The Qur'anic uses show that the root “SH D D” is not, by itself, either a virtue or a vice. This root expresses the amount of force, firmness, or intensity of effect.
For example:
- “أَشَدُّ حُبًّا لِلَّهِ” is about the love of the believers;
- “رُكْنٍ شَدِيدٍ” is a powerful support;
- “شَدَدْنَا مُلْكَهُ” speaks of rule being made firm;
- “عَذَابٌ شَدِيدٌ” expresses the intensity of punishment;
- “أَشَدَّ النَّاسِ عَدَاوَةً” shows the degree of hostility;
- “أَشَدُّ قَسْوَةً” increases the degree of qaswah.
Thus “intensity” should not be mechanically equated with violence, cruelty, or sharpness. Its moral direction comes from the object and context.
17. Difference from Nearby Roots
17.1. ش د د (SHADDA) and ق و ي (QAWIYA)
“قُوَّة” more directly indicates the capacity to act or resist. “شِدَّة” brings forward a high degree of force, firmness, pressure, or effect.
The Qur'an brings the two together:
إِنَّهُ قَوِيٌّ شَدِيدُ الْعِقَابِ
“قَوِيّ” expresses power and authority, and “شَدِيدُ الْعِقَابِ” expresses the intensity of punishment.
17.2. ش د د (SHADDA) and م ت ن (MATUNA)
“مَتَانَة” focuses on inner solidity, durability, and a structure being difficult to break. “شِدَّة”, in addition to firmness, can also express force of action, pressure, or the high degree of a state.
Something may be “مَتِين” because it has a stable structure, and “شَدِيد” because its force or effect is abundant. This boundary is directional and does not always lead to complete separation in usage.
17.3. ش د د (SHADDA) and ص ل ب (ṢALUBA)
“صَلَابَة” more directly indicates hardness and the lack of flexibility in a body. “شِدَّة” has a wider range and is also used for love, fear, heat, punishment, and reckoning.
Not everything intense is a physically solid body.
17.4. ش د د (SHADDA) and غ ل ظ (GHALUẒA)
“غِلْظَة” is originally connected with thickness, coarseness, and roughness. “شِدَّة” more directly expresses force, firmness, and intensity of effect.
In the phrase:
مَلَائِكَةٌ غِلَاظٌ شِدَادٌ
two separate descriptions appear beside one another. “غِلَاظ” and “شِدَاد” overlap, but they are not complete synonyms. Translating both with one word hides the difference in structure.
17.5. ش د د (SHADDA) and ق س و (QASĀ)
“قَسْوَة” points to something becoming hard and impenetrable, especially the heart. “شِدَّة” shows the degree of force or effect and can also grade qaswah:
أَوْ أَشَدُّ قَسْوَةً
“Qaswah” is the type of state, and “intensity” expresses its measure.
17.6. ش د د (SHADDA) and ر ب ط (RABAṬA)
“رَبَطَ” focuses on joining and tying one thing to another. “شَدَّ” emphasizes the firmness, tightness, and removal of looseness from that bond.
Something may have been tied and still be loose; “shadd” highlights the firming of that tie.
18. Care in Translation
Translating “شَدِيد” as “hard” in every verse is not precise. Depending on context, the following renderings may be more suitable:
- “رُكْنٍ شَدِيدٍ”: a firm and powerful support;
- “بَأْسٍ شَدِيدٍ”: tremendous military force;
- “عَذَابٌ شَدِيدٌ”: a heavy and forceful punishment;
- “حِسَابًا شَدِيدًا”: severe and exact reckoning;
- “زِلْزَالًا شَدِيدًا”: a tremendous shaking;
- “سَبْعٌ شِدَادٌ”: seven difficult years;
- “سَبْعًا شِدَادًا”: seven firm structures;
- “حَرَسًا شَدِيدًا”: powerful guarding;
- “أَشَدُّ حُبًّا”: possessing stronger love;
- “أَشَدَّ خَشْيَةً”: possessing greater fear;
- “أَشَدُّ قُوَّةً”: stronger;
- “بَلَغَ أَشُدَّهُ”: he reached the maturity and firmness of his powers.
“أَشِدَّاءُ عَلَى الْكُفَّارِ” should also not be reduced to “they are harsh” without attention to the letter “عَلَى” and its contrast with “رُحَمَاءُ بَيْنَهُمْ”. “Firm and hard toward those who cover truth” better preserves the syntactic relation and the element of resistance.
In contemporary English, “intense” may sometimes function merely as “very.” But in Qur'anic usage, this word-family usually preserves an image of force, pressure, firmness, or a high degree of effect. Translation should show this difference as much as possible.
19. Conclusion
The root “SH D D” in its material uses is connected with binding firmly, pulling, and removing looseness. In pre-Islamic Arabic, this root was used for tightening a knot and load, drawing a bow, powerful attack, the intensity of war, and holding wealth tightly.
The Qur'an uses this known field across different areas. “شَدَّ” can indicate tightening a bond, making rule firm, strengthening support, making the arm firm, or making the structure of the body firm. “اشْتَدَّ” speaks of a force intensifying. “شَدِيد” expresses a high degree of force, firmness, difficulty, or effect, and “أَشَدّ” is used to compare this degree.
“أَشُدّ” is another form and points to a stage of growth in which human powers have gathered and become firm. Therefore, it should not be confused with “أَشَدّ” meaning “more intense.”
The Qur'anic uses also show that intensity is not inherently negative. Love, support, rule, and power may be intense or firm, just as hostility, reckoning, and punishment may be intense. The subject and context determine the semantic direction of the root.
So the basic meaning of this root can be compressed as follows:
SH D D: becoming or making firm and stable, the removal of looseness, and force, pressure, or effect reaching a high degree.